15.223.108.252
ec2-15-223-108-252.ca-central-1.compute.amazonaws.com
3.97.104.40
ec2-3-97-104-40.ca-central-1.compute.amazonaws.com
3.99.1.164
ec2-3-99-1-164.ca-central-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.